Spanx Ponte Leggings in Classic Black Size Medium NWT Put a little pep in your step in a style that keeps your look in check, the Spanx Ponte Leggings. Hits at natural waist for great coverage (and no muffin top!). Ankle length. Ultra-soft stretch, premium ponte fabric. The Slim is Built In contoured Power Waistband offers tummy shaping and a perky rear view. 68% rayon, 28% nylon, 4% spandex.Lining: 80% polyester, 20% spandex. Machine wash cold, gentle cycle. Only non-chlorine bleach when needed. Line dry. Low iron if needed.